feat(process_windows): Support collecting PageFault count in Windows

process/process.go

@@ -127,6 +127,7 @@ type PageFaultsStat struct {
 	MajorFaults      uint64 `json:"majorFaults"`
 	ChildMinorFaults uint64 `json:"childMinorFaults"`
 	ChildMajorFaults uint64 `json:"childMajorFaults"`
+	TotalFaults      uint64 `json:"totalFaults"`
 }
 
 // Resource limit constants are from /usr/include/x86_64-linux-gnu/bits/resource.h

process/process_linux.go

@@ -1135,6 +1135,7 @@ func (p *Process) fillFromTIDStatWithContext(ctx context.Context, tid int32) (ui
 		MajorFaults:      majFault,
 		ChildMinorFaults: cMinFault,
 		ChildMajorFaults: cMajFault,
+		TotalFaults:      minFault + majFault + cMinFault + cMajFault,
 	}
 
 	return terminal, int32(ppid), cpuTimes, createTime, uint32(rtpriority), nice, faults, nil

process/process_windows.go

@@ -632,7 +632,16 @@ func (p *Process) MemoryInfoExWithContext(ctx context.Context) (*MemoryInfoExSta
 }
 
 func (p *Process) PageFaultsWithContext(ctx context.Context) (*PageFaultsStat, error) {
-	return nil, common.ErrNotImplementedError
+	mem, err := getMemoryInfo(p.Pid)
+	if err != nil {
+		return nil, err
+	}
+
+	ret := &PageFaultsStat{
+		TotalFaults: uint64(mem.PageFaultCount),
+	}
+
+	return ret, nil
 }
 
 func (p *Process) ChildrenWithContext(ctx context.Context) ([]*Process, error) {